Office Add-ins Documentation

The Office Add-ins platform allows you to build solutions that extend Office applications and interact with content in Office documents. With Office Add-ins, you can use familiar web technologies such as HTML, CSS, and JavaScript to extend and interact with Word, Excel, PowerPoint, OneNote, Project, and Outlook. Your solution can run in Office across multiple platforms, including Office on Windows, Office Online, Office for Mac, and Office for iPad. Learn how to create Office Add-ins with our quick starts, how-to guides, and API reference documentation.

Note: For information about COM or VSTO add-ins, see the Office client development documentation.

5-Minute Quick Starts

Learn how to create your first Office Add-in:

How-to Guides

Learn how to design, build, test, debug, and publish Office Add-ins.